Laravel Database Query Builder error with table name

I'm making a "simple" api for laravel. This api has to handle with filters, pagination and sorting the result. To make this I use laravel query builder. The problem is that it's making a select without a table name, for example:

select * order by `id` asc

My code:

public function index()
{
    $request = request();

    $query = DB::table('customers')->newQuery();

    // Orden
    if (request()->has('sort')) {

        // Multiorden
        $sorts = explode(',', request()->sort);
        foreach ($sorts as $sort) {
            list($sortCol, $sortDir) = explode('|', $sort);
            $query = $query->orderBy($sortCol, $sortDir);
        }
    } else {
        $query = $query->orderBy('id', 'asc');
    }

    //Filtros
    if ($request->exists('filter')) {
        $query->where(function($q) use($request) {
            $value = "%{$request->filter}%";
            $q->where('name', 'like', $value)
            ->orWhere('address', 'like', $value);
        });
    }

    $perPage = request()->has('per_page') ? (int) request()->per_page : null;
    $pagination = $query->get()->paginate($perPage);
    $pagination->appends([
        'sort' => request()->sort,
        'filter' => request()->filter,
        'per_page' => request()->per_page
    ]);

    return response()->json(
        $pagination
    );
}

Error:

Illuminate\Database\QueryException: SQLSTATE[HY000]: General error: 1096 No tables used (SQL: select * order by id asc) in file C:\xampp\htdocs\iService\vendor\laravel\framework\src\Illuminate\Database\Connection.php on line 664

UPDATE:

return DB::table('customers')->get();

If i use this, the api works fine, I have more apis working. The problem is that I need Query Builder to handle filters, sort, etc...